Final answer:
The clinician can visually assess the relationship between the velum and pharynx, the size of the tongue, and the maxillary-mandibular occlusion. They can also observe the height and width of the palatal arch, examine the condition of the mucosa, faucial arches, and dentition, and detect any cleft palates or open fistulas.
Step-by-step explanation:
By direct visualization, the clinician can make a gross observation of the relationship of the Velum to the pharynx. They can also note the relative size of the tongue. This allows them to make a judgement about Maxillary-mandibular occlusion. Additionally, they can view the height and width of the palatal arch, survey the general condition of mucosa, faucial arches, and dentition, and determine if there are any cleft palates, open fistulas, or evidence of submucous clefts.